CTR2-Flex Firmware Manual – v2.03.06
December 26, 2025 This update includes the latest feature additions to CTR2-Flex firmware.
CTR2-Quad Hardware Manual – v1.00
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides Bluetooth/USB MIDI control for third-party apps like SmartSDR for iOS, SDR-Control,…
CTR2-Duo Hardware Manual – v1.00
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides Bluetooth/USB MIDI control for third-party apps like SmartSDR for iOS, SDR-Control,…
CTR2-Uno Hardware Manual – v1.00
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides Bluetooth/USB MIDI control for third-party apps like SmartSDR for iOS, SDR-Control,…
CTR2-Dial Firmware Operation Manual – v2.03.06
CTR2-Dial firmware is now included in CTR2-Flex v2 firmware. You can view the operation manual for CTR2-Dial here. To download a copy of it, press the Download button below. December…
CTR2-MIDI Operation Manuals – v2.00.02
Read or download the latest operation manual for CTR2-MIDI here
CTR2-MIDI Assembly Manual – v1.00d
The CTR2-MIDI kit is an easy to build project that you can complete in one evening
CTR2-Micro Operation Manual – v1.07.01
You can read or download the Operation Manual for the new CTR2-Micro here
CTR2-Voice Operation Manual – v1.01.03
Download the operation manual for CTR2-Voice here
CTR2-Micro Assembly Manual v1.6a
You'll find the assembly manual and BOM for the new CTR2-Micro kit here